Anker Portable Power Station SOLIX C300, vs EF ECOFLOW Portable Power Station DELTA 3 Max,
Updated July 2026 — EF ECOFLOW Portable Power Station DELTA 3 Max, leads on output and battery.
The Anker SOLIX C300 is a budget-friendly option for light use, while the DELTA 3 Max excels in power capacity and features for demanding needs.
Why Anker Portable Power Station SOLIX C300, is better
Price
Anker SOLIX C300 is significantly cheaper.
Size
Anker is 15% smaller, making it more portable.
Noise
Anker operates at a quieter 25dB.
Why EF ECOFLOW Portable Power Station DELTA 3 Max, is better
Power Capacity
DELTA 3 Max has a capacity of 2048Wh.
Output
DELTA 3 Max supports up to 3400W output.
Charging Speed
DELTA 3 Max charges to 80% in just 1.13 hours.
Overall score
Specifications
| Spec | Anker Portable Power Station SOLIX C300, | EF ECOFLOW Portable Power Station DELTA 3 Max, |
|---|---|---|
| Price | $249.99 | $779.00 |
| Charging Time | 50 min | 1.13 hr |
| Ports | 8 | multiple |
| Battery Type | LiFePO4 | LiFePO4 |
| Cycles | 3000 | 10000 |
Dimension comparison
Overview of the Products
In the world of portable power stations, the Anker Portable Power Station SOLIX C300 and the EF ECOFLOW Portable Power Station DELTA 3 Max stand out as two compelling options. The Anker SOLIX C300 is priced at $249.99, making it about 68% cheaper than the DELTA 3 Max, which retails for $779.00. While both products are designed for outdoor use and emergencies, they cater to different power needs and capacities.
Power Capacity and Output
The Anker SOLIX C300 offers a capacity of 288Wh and a continuous output of 300W, with a surge capacity of up to 600W. In contrast, the EF ECOFLOW DELTA 3 Max boasts an impressive capacity of 2048Wh and a continuous output of 3400W, powered by its advanced LiFePO4 battery technology. This means the DELTA 3 Max can run high-demand appliances, making it more suitable for extensive requirements like home backup or RV adventures.
Charging Speed
The charging speeds of both power stations highlight their technological advancements. The Anker SOLIX C300 can be recharged to 80% in about 50 minutes via a wall outlet, which is quite efficient. However, the DELTA 3 Max takes the lead with its ultra-fast charging capability, reaching 80% in just 1.13 hours thanks to EcoFlow’s X-Stream technology. This means less downtime between uses, which is crucial for those on the go.
Port Variety and Usability
When it comes to charging options, the Anker SOLIX C300 features eight versatile charging ports, including three AC outlets, multiple USB-C ports, and a car socket. This extensive selection allows users to keep various devices powered simultaneously. On the other hand, the DELTA 3 Max is also equipped with multiple ports, but its focus is on high-wattage appliances, making it a better choice for those needing to power larger devices. Both power stations are user-friendly, but the Anker's design is more travel-friendly, being 15% smaller than similar models.
Noise Levels
Noise output is an important factor for many users, particularly when camping or using the power station in quiet environments. The Anker SOLIX C300 operates at a quiet 25dB from 3.3 feet away, ensuring a peaceful atmosphere while you recharge your devices. Conversely, the DELTA 3 Max is engineered for ultra-quiet operation, maintaining a low noise level during use while providing rapid transfer times for power. Both units excel in this area, but the Anker may be preferred for those particularly sensitive to noise.
Durability and Longevity
Durability and longevity are crucial aspects to consider when investing in a portable power station. The Anker SOLIX C300 is built to last, featuring LiFePO4 batteries that can endure up to 3,000 cycles, and comes with a five-year warranty. The DELTA 3 Max also features a long-lasting LiFePO4 battery but emphasizes a design built for ten years of daily use. Both units promise durability, but the DELTA 3 Max suggests a longer lifespan, which may justify its higher price.
Smart Features and Control
Smart technology integration is where the DELTA 3 Max shines, offering app control that allows users to monitor energy use in real-time and manage charging schedules. This feature can help users save on costs while maximizing efficiency. The Anker SOLIX C300, while lacking smart app integration, still offers a straightforward operation that appeals to those who prefer simplicity without the need for connectivity. Depending on user preference for tech integration, this could be a deciding factor.
Which should you buy?
Choosing between the Anker Portable Power Station SOLIX C300 and the EF ECOFLOW Portable Power Station DELTA 3 Max ultimately depends on your specific needs. If you’re looking for a budget-friendly option that’s compact and perfect for light use, the Anker SOLIX C300 at $249.99 is an excellent choice. However, if you require high power output and capacity for significant devices or appliances, the DELTA 3 Max, despite its higher price of $779.00, provides exceptional performance and features that justify the investment.

